20629845

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4057}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 36083736

約数和(自身を除く): 15453891

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4057, 5085, 12171, 20285, 36513, 60855, 182565, 458441, 1375323, 2292205, 4125969, 6876615, 20629845]

約数ペア:

[(1, 20629845), (3, 6876615), (5, 4125969), (9, 2292205), (15, 1375323), (45, 458441), (113, 182565), (339, 60855), (565, 36513), (1017, 20285), (1695, 12171), (4057, 5085)]